// Wipe the key
            digest.secureWipeKey();

            // Verify digest fails after wiping
            byte[] newData = new byte[128];
            Arrays.fill(newData, (byte) 0x66);

            assertThrows(IllegalStateException.class, () -> {
                digest.sign(newData, 0, newData.length, request, response);
            }, "Should throw exception after key is wiped");
        }

}

func findSignatureInBlock(b []byte) int {
	for i := len(b) - directoryEndLen; i >= 0; i-- {
		// defined from directoryEndSignature in struct.go
		if b[i] == 'P' && b[i+1] == 'K' && b[i+2] == 0x05 && b[i+3] == 0x06 {
			// n is length of comment
			n := int(b[i+directoryEndLen-2]) | int(b[i+directoryEndLen-1])<<8
			if n+directoryEndLen+i > len(b) {
				// Truncated comment.

    bytesIn.writeUtf8("custom-foo")
    bytesIn.writeByte(0x05) // Literal value (len = 5)
    bytesIn.writeUtf8("Basic")
    bytesIn.writeByte(0x7e)
    bytesIn.writeByte(0x06) // Literal value (len = 6)
    bytesIn.writeUtf8("Basic2")
    hpackReader!!.readHeaders()
    assertThat(hpackReader!!.getAndResetHeaderList()).containsExactly(
      Header("custom-foo", "Basic"),

  }

  /**
   * Evaluates whether the argument is an "IPv4 mapped" IPv6 address.
   *
   * <p>An "IPv4 mapped" address is anything in the range ::ffff:0:0/96 (sometimes written as
   * ::ffff:0.0.0.0/96), with the last 32 bits interpreted as an IPv4 address.
   *
   * <p>For more on IPv4 mapped addresses see section 2.5.5.2 of <a target="_parent"

	// A{,X}VEXTRINS.{B,H,W,V} instructions
	VEXTRINSB	$0x18, V1, V2 	// VEXTRINSB	$24, V1, V2 // 22608c73
	VEXTRINSH	$0x27, V1, V2 	// VEXTRINSH	$39, V1, V2 // 229c8873
	VEXTRINSW	$0x36, V1, V2 	// VEXTRINSW	$54, V1, V2 // 22d88473
	VEXTRINSV	$0x45, V1, V2 	// VEXTRINSV	$69, V1, V2 // 22148173
	XVEXTRINSB	$0x54, X1, X2 	// XVEXTRINSB	$84, X1, X2 // 22508d77

0B91          ; disallowed                             # NA   <reserved-0B91>
0B92..0B95    ; valid                                  # 1.1  TAMIL LETTER O..TAMIL LETTER KA
0B96..0B98    ; disallowed                             # NA   <reserved-0B96>..<reserved-0B98>
0B99..0B9A    ; valid                                  # 1.1  TAMIL LETTER NGA..TAMIL LETTER CA
0B9B          ; disallowed                             # NA   <reserved-0B9B>

            final SmbComNTCreateAndX request = new SmbComNTCreateAndX(unc, flags, access, shareAccess, attrs, options, null);
            if (this instanceof SmbNamedPipe) {
                request.flags0 |= 0x16;
                request.desiredAccess |= 0x20000;
                response.isExtended = true;
            }
            send(request, response);
            f = response.fid;